CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2016 | 18,442 | $205 | — | — |
| Q4 2015 | 18,442 | $196 | — | — |
| Q3 2015 | 18,442 | $179 | — | — |
| Q2 2015 | 18,442 | $196 | — | — |
| Q1 2015 | 18,442 | $237 | — | — |
| Q4 2014 | 18,442 | $256 | — | — |
| Q3 2014 | 18,442 | $244 | — | — |
| Q2 2014 | 15,442 | $192 | — | — |
| Q1 2014 | 18,162 | $205 | — | — |
| Q4 2013 | 18,162 | $221 | — | — |